CN214373277U

CN214373277U - Fatigue degree detection device for spiral spring

Info

Publication number: CN214373277U
Application number: CN202022915102.XU
Authority: CN
Inventors: 申伟健; 郑兰
Original assignee: Nanjing Yingjian Mechanical And Electrical Technology Co ltd
Current assignee: Nanjing Yingjian Mechanical And Electrical Technology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-10-08
Anticipated expiration: 2030-12-08

Abstract

The utility model discloses a fatigue detection device for a spiral spring, which comprises an upper plate and a base, wherein one side of the base is provided with a motor, the inside of the base is provided with a groove, one side of the inner wall of the groove is rotatably connected with a rotating shaft, the outer side of the rotating shaft is equidistantly provided with a bidirectional screw rod, the rotating shaft is fixedly connected with the output end of the motor, the bidirectional screw rod is in threaded connection with a second slide block and a first slide block, the groove, the limit groove, the bidirectional screw rod, the slide block, the clamping plate and the like are arranged in the base for matching use, so that the function of fixing the bottom of the spring is realized, the spring is prevented from moving, through set up logical groove, the screw rod on groove and the spacing post and the slide on the second spacing inslot and set up logical groove screw thread hollow rod on groove, groove and the fixed block and the collocation use such as, realized conveniently with the function of trading spacing post and the fixed block of difference in order to satisfy different model size coil spring.

Description

Fatigue degree detection device for spiral spring

Technical Field

The utility model relates to a detection device, in particular to coil spring fatigue degree detection device belongs to detection device technical field.

Background

In the existing life, a spring is a mechanical part which works by utilizing elasticity, the part made of elastic materials deforms under the action of external force and recovers the original shape after the external force is removed, the spring is generally made of spring steel, the types of the spring are complex and various, and the spring mainly comprises a spiral spring, a volute spiral spring, a plate spring, a special-shaped spring and the like according to the shape, the spiral spring industry is a small industry in the whole manufacturing industry, but the function of the spiral spring industry is absolutely unimaginable, the national industrial manufacturing industry and the automobile industry need to be developed rapidly, the spiral spring industry which is one of a basic part and a part needs to have a development earlier stage to adapt to the rapid development of the national whole industry, in addition, the expansion of the scale and the improvement of the quality level of the spiral spring product are also the needs of the update of mechanical equipment and the improvement of the performance of a matched host machine, consequently, the development of whole national industry, coil spring product play important role, and coil spring need carry out the fatigue degree to it when dispatching from the factory and detect, see whether it is qualified, and traditional fatigue degree detection device can only detect the coil spring of a model, makes coil spring take place the slope easily at the in-process that detects coil spring moreover, leads to the inaccuracy that detects, damages the spring even, and people urgently need a neotype coil spring fatigue degree detection device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coil spring fatigue degree detection device to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

a fatigue detection device for a spiral spring comprises an upper plate and a base, wherein a motor is arranged on one side of the base, a groove is formed in the base, a rotating shaft is rotatably connected to one side of the inner wall of the groove, four bidirectional screw rods are arranged in the groove at equal intervals and connected through the rotating shaft, the rotating shaft is fixedly connected with the output end of the motor, a second sliding block and a first sliding block are in threaded connection with the bidirectional screw rods, the second sliding block and the first sliding block are both in sliding connection with the groove, a second clamping plate is fixedly connected to the top of the second sliding block, a first clamping plate matched with the second clamping plate is fixedly connected to the top of the first sliding block, a limiting groove is formed in the base and above the groove, a fixed block is fixedly connected to the bottom of the inner wall of the limiting groove, and a first spiral groove is formed in the top of the fixed block, the inner wall threaded connection of first spiral shell groove has the screw rod, screw rod top fixedly connected with spacing post, the top fixedly connected with bracing piece of base, the top fixedly connected with upper plate of bracing piece, the bottom fixedly connected with cylinder of upper plate, the output fixedly connected with slide of cylinder, slide and bracing piece sliding connection.

As an optimized proposal of the utility model, the top of the slide plate is provided with a pressure tester, and the outside of the upper plate is provided with a display.

As an optimized proposal of the utility model, the outside of the limit post is provided with a dial gauge.

As an optimized scheme of the utility model, the second through groove has been seted up to the inside of slide, the inside of slide just is located the under of second through groove and is equipped with the second spiral shell groove.

As a preferred scheme of the utility model, the inner wall threaded connection of second spiral groove has the hollow pole of screw thread, the bottom fixedly connected with fixed plate of the hollow pole of screw thread, the first logical groove of using with spacing post cooperation is seted up to the inside of fixed plate.

As a preferred scheme of the utility model, one side that the motor was kept away from to the base is equipped with control panel, equal and the control panel electric connection of motor, cylinder, pressure tester and display.

The utility model discloses the beneficial effect who reaches is: the utility model has the advantages of simple structure and novelty, therefore, the clothes hanger is strong in practicability, the operation is simple and fast, through at the inside recess that sets up of base, the spacing groove, two-way lead screw, cooperation such as slider and splint are used, the function of spring bottom has been realized can fixing, prevent that the spring from taking place to remove, it leads to the groove to set up on screw rod and the slide on setting up spiral groove and spacing post in the second spacing groove, collocation use such as logical groove screw thread hollow rod on spiral groove and the fixed block, realized conveniently with the function of trading different spacing post and fixed block in order to satisfy different model size coil spring, through set up the graduation apparatus on spacing post, set up on the slide and display and use in cooperation such as display, very convenient detection has detected out the fatigue degree of spring.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a front sectional view of the present invention;

fig. 2 is a schematic top view of the splint of the present invention;

fig. 3 is an enlarged schematic view of the utility model at a;

fig. 4 is an enlarged schematic view of the utility model B.

In the figure; 1. a cylinder; 2. a display; 3. an upper plate; 4. a pressure tester; 5. a slide plate; 6. a limiting column; 7. a dial gauge; 8. a fixed block; 9. a limiting groove; 10. a base; 11. a first splint; 12. a first slider; 13. a second slider; 14. a rotating shaft; 15. a motor; 16. a second splint; 17. a support bar; 18. a bidirectional screw rod; 19. a groove; 20. a first screw groove; 21. a screw; 22. a threaded hollow rod; 23. a first through groove; 24. a fixing plate; 25. a second screw groove; 26. a second through groove; 27. a control panel.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in FIGS. 1-4, the utility model provides a fatigue testing device for a helical spring, which comprises an upper plate 3 and a base 10, wherein one side of the base 10 is provided with a motor 15 for conveniently driving a bidirectional screw rod 18 to rotate, a groove 19 is arranged inside the base 10, one side of the inner wall of the groove 19 is rotatably connected with a rotating shaft 14, four bidirectional screw rods 18 are equidistantly arranged inside the groove 19, the four bidirectional screw rods 18 are connected through the rotating shaft 14, the rotating shaft 14 is fixedly connected with the output end of the motor 15, the bidirectional screw rod 18 is in threaded connection with a second slider 13 and a first slider 12, the second slider 13 and the first slider 12 are both in sliding connection with the groove 19, the top of the second slider 13 is fixedly connected with a second clamping plate 16, the top of the first slider 12 is fixedly connected with a first clamping plate 11 matched with the second clamping plate 16 for use, thereby facilitating clamping the bottom of the testing spring for better testing, a limiting groove 9 is arranged inside the base 10 and above the groove 19, bottom fixedly connected with fixed block 8 of 9 inner walls of spacing grooves, first thread groove 20 has been seted up at the top of fixed block 8, the inner wall threaded connection of first thread groove 20 has screw rod 21, screw rod 21 top fixedly connected with spacing post 6, conveniently according to the spring model of difference, change corresponding spacing post 6, base 10's top fixedly connected with bracing piece 17, the top fixedly connected with upper plate 3 of bracing piece 17, the bottom fixedly connected with cylinder 1 of upper plate 3, conveniently remove slide 5, the output fixedly connected with slide 5 of cylinder 1, slide 5 and bracing piece 17 sliding connection.

The top of the sliding plate 5 is provided with a pressure tester 4 which is convenient for detecting the pressure born by the spring, the outer side of the upper plate 3 is provided with a display 2 which is convenient for viewing the pressure value, the outer side of the limit post 6 is provided with a scale 7 which is convenient for viewing the length of the detection spring, the sliding plate 5 is internally provided with a second through groove 26, the inner part of the sliding plate 5 and the lower part of the second through groove 26 are provided with a second screw groove 25, the inner wall of the second screw groove 25 is in threaded connection with a threaded hollow rod 22, the bottom of the threaded hollow rod 22 is fixedly connected with a fixed plate 24, the fixed plate 24 is internally provided with a first through groove 23 which is matched with the limit post 6 for use, different fixed plates 24 can be conveniently replaced according to the type of the spring, one side of the base 10, which is far away from the motor 15, is provided with a control panel 27, the motor 15 and the air cylinder 1, the pressure tester 4 and the display 2 are both electrically connected with the control panel 27, so that the electrical equipment can be conveniently controlled.

Specifically, when the fatigue of the spring is to be detected, according to the size of the spring, selecting a proper limit post 6 and a proper fixed plate 24, inserting a screw 21 at the bottom of the limit post 6 into a first screw groove 20, rotating the limit post 6, screwing and fixing, then inserting a threaded hollow rod 22 at the bottom of the fixed plate 24 into a second screw groove 25, rotating the fixed plate 24, screwing and fixing, sleeving the spring to be detected on the limit post 6, turning on a motor 15, driving a second clamping plate 16 and a first clamping plate 11 to move oppositely by a second sliding block 13 and a first sliding block 12, clamping the bottom of the spring, detecting the initial spring length according to a scale 7 on the limit post 6, opening a first cylinder 1, driving a sliding plate 5 to press the spring downwards to a specified position, detecting the elastic force value of the spring by a pressure tester 4, displaying on a display 2 to see whether the value is the same as that of a normal spring, then the first cylinder 1 drives the sliding plate 5 to slowly rise to the initial position, and then whether the length of the spring is different from the original length is observed from the dial gauge 7 on the limiting column 6.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a coil spring fatigue degree detection device, includes upper plate (3) and base (10), its characterized in that: a motor (15) is arranged on one side of the base (10), a groove (19) is formed in the base (10), a rotating shaft (14) is rotatably connected to one side of the inner wall of the groove (19), four bidirectional screw rods (18) are arranged in the groove (19) at equal intervals, the four bidirectional screw rods (18) are connected through the rotating shaft (14), the rotating shaft (14) is fixedly connected with the output end of the motor (15), a second sliding block (13) and a first sliding block (12) are in threaded connection with the bidirectional screw rods (18), the second sliding block (13) and the first sliding block (12) are both in sliding connection with the groove (19), a second clamping plate (16) is fixedly connected to the top of the second sliding block (13), a first clamping plate (11) matched with the second clamping plate (16) for use is fixedly connected to the top of the first sliding block (12), a limiting groove (9) is formed in the base (10) and above the groove (19), the utility model discloses a spacing groove (9) for the automobile seat, including the base, the bottom fixedly connected with fixed block (8) of spacing groove (9) inner wall, first spiral shell groove (20) have been seted up at the top of fixed block (8), the inner wall threaded connection of first spiral shell groove (20) has screw rod (21), screw rod (21) top fixedly connected with spacing post (6), top fixedly connected with bracing piece (17) of base (10), the top fixedly connected with upper plate (3) of bracing piece (17), the bottom fixedly connected with cylinder (1) of upper plate (3), the output fixedly connected with slide (5) of cylinder (1), slide (5) and bracing piece (17) sliding connection.

2. A coil spring fatigue detecting device according to claim 1, wherein: the top of slide (5) is equipped with pressure tester (4), the outside of upper plate (3) is equipped with display (2).

3. A coil spring fatigue detecting device according to claim 1, wherein: and a dial gauge (7) is arranged on the outer side of the limiting column (6).

4. A coil spring fatigue detecting device according to claim 1, wherein: a second through groove (26) is formed in the sliding plate (5), and a second screw groove (25) is formed in the sliding plate (5) and located below the second through groove (26).

5. A coil spring fatigue detecting device according to claim 4, wherein: the inner wall threaded connection of second thread groove (25) has the hollow pole of screw thread (22), the bottom fixedly connected with fixed plate (24) of the hollow pole of screw thread (22), first logical groove (23) that use with spacing post (6) cooperation are seted up to the inside of fixed plate (24).

6. A coil spring fatigue detecting device according to claim 2, wherein: one side that motor (15) were kept away from in base (10) is equipped with control panel (27), motor (15), cylinder (1), pressure tester (4) and display (2) all with control panel (27) electric connection.